Use the image below to answer (And please do what it EXACTLY says)

Which of the following studies is linked most directly to the establishment of the national research act in 1974 and ultimately to the belmont report and federal regulations for human subject protection? a. the public health service tuskegee study of untreated syphilis in the negro male.b. stanford prison experiment (zimbardo).c. tearoom trade study (humphreys).d. the harvard t3 study.

2) based on the information, which is an opinion rather than a fact about immigrants to north america? immigrants

Crime affects the economy which which two primary ways? a financially and monetarily b non-financially and industrially c microeconomic and macroeconomic d spiritually and emotionally